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Search results 1 to 2 out of 2 for Cc2d1a

Category restricted to ProteinDomain (x)

0.018s

Categories

Category: ProteinDomain
Type Details Score
Protein Domain
Type: Domain
Description: The cc2d1a gene family consists of two homologues, CC2D1A (Freud-1) and CC2D1B (Freud-2). Freud-1 is a calcium-regulated repressor of serotonine receptor 5-HT1A and dopamine-D2 receptor expression [, ]. Mutations in cc2d1a has been linked to nonsyndromic mental retardation [, ].CC2D1A/freud-1 and CC2D1B/freud-2 share conserved domains, including several DM14 domains that are specific to this protein family, a C-terminal helix-loop-helix domain, and a C2 domain. The Freud-1 C2 domain is thought to be calcium insensitive and it lacks several acidic residues that mediate calcium binding of the PKC C2 domain. In addition, it contains a poly-basic insert that is not present in calcium-dependent C2 domains and may function as a nuclear localization signal []. The Freud-1 C2 domain appears to be essential for its DNA binding and repressor function; it may mediate protein-protein interactions [].
Protein Domain
Type: Family
Description: This entry includes coiled-coil and C2 domain-containing protein 1A/B (CC2D1A/B, also known as Freud-1/2). CC2D1A is involved in many pathways, including nuclear factor kappaB, PDK1/Akt, cAMP/PKA, Notch and bone morphogenetic protein []. It is a calcium-regulated repressor of serotonine receptor 5-HT1A and dopamine-D2 receptor expression [, ]. CC2D1B binds to the 5-HT1A DRE and represses the human 5-HT1A receptor gene to regulate its expression in non-serotonergic cells and neurons [].CC2D1A and CC2D1B have also been shown to interact with the CHMP4 family of proteins, the major subunit of the ESCRT-III complex. They may regulate degradation and signaling of EGFR and TLR4 [].CC2D1A and CC2D1B share conserved domains, including several DM14 domains that are specific to this protein family, a C-terminal helix-loop-helix domain, and a C2 domain. The CC2D1A C2 domain is thought to be calcium insensitive and it lacks several acidic residues that mediate calcium binding of the PKC C2 domain. In addition, it contains a poly-basic insert that is not present in calcium-dependent C2 domains and may function as a nuclear localization signal []. The CC2D1B C2 domain appears to be essential for its DNA binding and repressor function; it may mediate protein-protein interactions []. Mutations in the CC2D1A gene has been linked to nonsyndromic mental retardation [, ].